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Chan EY, Gao Y, Griffiths SM.Chan EY, et al. Among authors: griffiths sm.J Public Health (Oxf). 2010 Mar;32(1):52-61. doi: 10.1093/pubmed/fdp078. Epub 2009 Aug 4.J Public Health (Oxf). 2010.PMID: 19654131
Gao Y, Li L, Chan EY, Lau J, Griffiths SM.Gao Y, et al.PLoS One. 2013;8(3):e57569. doi: 10.1371/journal.pone.0057569. Epub 2013 Mar 8.PLoS One. 2013.PMID: 23520474Free PMC article.Clinical Trial.
Gao Y, Griffiths S, Chan EY.Gao Y, et al. Among authors: griffiths s.J Public Health (Oxf). 2008 Dec;30(4):436-48. doi: 10.1093/pubmed/fdm057. Epub 2007 Nov 6.J Public Health (Oxf). 2008.PMID: 17989084Review.
Gao Y, Li LP, Kim JH, Congdon N, Lau J, Griffiths S.Gao Y, et al. Among authors: griffiths s.BMC Public Health. 2010 Feb 3;10:56. doi: 10.1186/1471-2458-10-56.BMC Public Health. 2010.PMID: 20128901Free PMC article.
Wei X, Yang N, Gao Y, Wong SY, Wong MC, Wang J, Wang HH, Li DK, Tang J, Griffiths SM.Wei X, et al. Among authors: griffiths sm.J Health Serv Res Policy. 2015 Jul;20(3):162-9. doi: 10.1177/1355819615579700. Epub 2015 Apr 21.J Health Serv Res Policy. 2015.PMID: 25899485